/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _DMM_SEGMENT_H_
#define _DMM_SEGMENT_H_

#define DMM_MEM_NAME_SIZE 32

struct dmm_segment *dmm_seg_create (void *base, size_t size);
struct dmm_segment *dmm_seg_attach (void *base, size_t size);
void dmm_seg_dump (struct dmm_segment *seg);

void *dmm_mem_alloc (struct dmm_segment *seg, size_t size);
int dmm_mem_free (struct dmm_segment *seg, void *mem);

void *dmm_mem_lookup (struct dmm_segment *seg,
                      const char name[DMM_MEM_NAME_SIZE]);
void *dmm_mem_map (struct dmm_segment *seg, size_t size,
                   const char name[DMM_MEM_NAME_SIZE]);
int dmm_mem_unmap (struct dmm_segment *seg,
                   const char name[DMM_MEM_NAME_SIZE]);

#endif /* #ifndef _DMM_SEGMENT_H_ */
